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Flexible palladium film hydrogen sensor and preparation method thereof
PendingCN120594608ASemi-permeable membranesVolume/mass flow by thermal effectsThin membraneConfined space
The invention provides a flexible palladium film hydrogen sensor and a preparation method thereof, the flexible palladium film hydrogen sensor is sequentially provided with a flexible substrate, a hydrogen sensitive sensing layer and a contact connection layer from bottom to top, and the contact connection layer is connected with a resistance measurement unit; and the hydrogen-sensitive sensing layer is a palladium or palladium alloy film with a conical micro-nano structure. The palladium or palladium alloy thin film with the conical micro-nano structure provides a hydrogen sensor conical surface micro-nano structure with a high specific surface area for the flexible palladium thin film hydrogen sensor, and the process that hydrogen is adsorbed, dissolved and diffused into the palladium or palladium alloy thin film is accelerated, so that the response speed of the sensor is increased; according to the hydrogen sensor, the flexible substrate is adopted, so that the hydrogen sensor can be conveniently arranged in various narrow spaces, and the applicability of the hydrogen sensor in various scenes is improved.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +1
Preparation method and application of micro-nano motor for improving oil reservoir exploitation
PendingCN120262956AMaterial nanotechnologyFixed microstructural devicesReservoir (environment)Viscosity
The invention relates to the technical field of micro-nano motors, in particular to a preparation method and application of a micro-nano motor for improving oil reservoir exploitation. Due to the wheel shape of the micro-nano motor and the hydrophobic modification effect, the micro-nano motor can move in a high-viscosity oil reservoir environment in oil reservoir exploitation. Under the action of a magnetic field, the micro-nano motor can controllably move in a complex three-dimensional core environment, and the size of the micro-nano motor can be reduced when the micro-nano motor encounters a narrower pore throat, so that the micro-nano motor can smoothly pass through the pore throat. When the micro-nano motor makes contact with crude oil drops, the micro-nano motor can carry the oil drops to move and carry the oil drops to a high-permeability area of the oil reservoir, and the motor carrying the oil drops is extracted to the ground along with displacement fluid, so that the recovery rate of the oil reservoir is increased. Meanwhile, the micro-nano motor can be recycled for multiple times.
Owner:HARBIN INST OF TECH
Device and method for continuously generating liquid drops
ActiveCN120571655ATelevision system detailsVolume/mass flow by thermal effectsMechanical engineeringLiquid drop
The invention provides a liquid drop continuous generation device which comprises a first flow channel and a second flow channel, the first flow channel and the second flow channel comprise first positions which are tightly attached to each other, and each first position comprises a through hole communicating with the first flow channel and the second flow channel; the first flow channel and the second flow channel are used for introducing a first liquid and a second liquid respectively; the special ultrasonic device can act on the first liquid in the first flow channel, when the special ultrasonic device is driven in a first power period, an acoustic beam current facing the through hole is generated in the first liquid, the acoustic beam current enters the second liquid through the through hole, and liquid drops formed by the first liquid are formed in the second liquid. The invention also correspondingly provides a method for continuously generating liquid drops. The liquid drop generation mode is more flexible, the controllability is higher, and the cost is lower.
Owner:CONVERGENCY (TIANJIN) BIOTECH LTD
Heterogenous socket contact for electrical and mechanical performance scaling in a microelectronic package
A microelectronic socket structure and a method of forming the same. The socket structure comprises: a socket structure housing defining a cavity therein; and an interconnection structure including: a contact element disposed at least in part within the cavity, and configured to be electrically coupled to a corresponding microelectronic package, the contact element corresponding to one of a signal contact element or a ground contact element; and a conductive structure disposed at least in part within the cavity, electrically coupled to the contact element, and having an outer contour that is non-conformal with respect to an outer contour of the contact element.
Owner:INTEL CORP
Method for producing a nanochannel
PendingDE102024203436A1Volume/mass flow by thermal effectsFixed microstructural devicesChannel widthNanotechnology
A method for producing a nanochannel (200) is described with the following steps a) depositing a nanochannel sacrificial layer (3) using an ALD process on a substrate (1), which defines the subsequent channel height at least at one point b) depositing a first covering layer (4) on the nanochannel sacrificial layer (3) c) At least partially structuring and / or etching the nanochannel sacrificial layer (3) and the first cover layer (4) so that a first exposed region (10) is formed d) At least partial etching of the now exposed nanochannel sacrificial layer (3) with an etching rate < 100nm / min, preferably <10nm / min, and particularly preferably <5nm / min and even more preferably <2nm / min, so that an under-etched second exposed region (20) is formed which defines the channel width e) depositing a second cover layer (5) onto the first cover layer (4) and the first exposed region (10) so that the second exposed region (20) is sealed and forms a nanochannel (200).
Owner:ROBERT BOSCH GMBH
Microneedle mold manufacturing method, microneedle manufacturing method, microneedle mold and microneedle
PendingCN121225885ASemi-permeable membranesVolume/mass flow by thermal effectsEngineeringLaser beams
The invention provides a microneedle mold manufacturing method, a microneedle manufacturing method, a microneedle mold and a microneedle, relates to the technical field of microneedles, and can improve the manufacturing efficiency of the microneedle mold. The method comprises the following steps: providing a glass substrate, wherein the surface of the glass substrate is provided with at least one target area; a laser beam is used for modifying the target area in the thickness direction of the glass substrate, so that an inverted-cone-shaped modified area is formed on the glass substrate; the modified area is subjected to etching treatment through etching liquid to form an inverted-cone-shaped hole, the microneedle mold is obtained, and the microneedle mold is used for manufacturing a microneedle.
Owner:GLASSMICRO (CHONGQING) SEMICONDUCTOR TECHNOLOGY CO LTD
A two-dimensional MXene functionalized In x Ga 1-x N nanorods and preparation methods and applications thereof
ActiveCN110655035BSemi-permeable membranesVolume/mass flow by thermal effectsNanopillarPhotodetector
The present invention discloses a two-dimensional MXene functionalized In x Ga 1‑x N nanorods and their preparation methods and applications. x Ga 1‑x The N nanocolumn includes a substrate, a MXene layer on the substrate, and an In x Ga 1‑x N nanorods; wherein 0≤x≤1. The present invention uses two-dimensional MXene as a substrate and In x Ga 1‑x The functional layer between the N nanopillars not only broadens the choice of substrates and reduces costs, but also effectively reduces the interface impedance between the substrate and the nanopillars, which is conducive to enhancing the carrier transport performance and greatly improving the photoelectric performance of the nanopillars. At the same time, it avoids the disadvantage that the nanopillars are easily etched on the substrate and improves their photoelectric stability. x Ga 1‑x N nanorods have important application prospects in photoelectrolytic water splitting to produce hydrogen, photodetectors, and solar cells.
Owner:SOUTH CHINA UNIV OF TECH
Method for manufacturing a micromirror element and micro-electro-mechanical system
PendingDE102024207651A1MirrorsVolume/mass flow by thermal effectsMicro electrical mechanical systemsMechanical engineering
The invention relates to a method for producing at least one micromirror element (200) as it can be used in micro-electro-mechanical systems (100), in particular for use in semiconductor technology equipment (1), and to a micro-electro-mechanical system (100) comprising corresponding micromirror elements (200). The process includes the following steps: - Providing a flat, two-sided mirror substrate (210); - Incorporating a predetermined shape at least on the side (215) of the provided mirror substrate (210) intended to be reflective; and - Applying a reflective coating (220) at least to the side (215) of the provided mirror substrate (210) intended to be reflective.
Owner:CARL ZEISS SMT GMBH
Inertial pumps
ActiveUS12480532B2Volume/mass flow by thermal effectsFixed microstructural devicesActuatorCheck valve
The present disclosure is drawn to inertial pumps. An inertial pump can include a microfluidic channel, a fluid actuator located in the microfluidic channel, and a check valve located in the microfluidic channel. The check valve can include a moveable valve element, a narrowed channel segment located upstream of the moveable valve element, and a blocking element formed in the microfluidic channel downstream of the moveable valve element. The narrowed channel segment can have a width less than a width of the moveable valve element so that the moveable valve element can block fluid flow through the check valve when the moveable valve element is positioned in the narrowed channel segment. The blocking element can be configured such that the blocking element constrains the moveable valve element within the check valve while also allowing fluid flow when the moveable valve element is positioned against the blocking element.
Owner:HEWLETT PACKARD DEVELOPMENT COMPANY LP
Antirelaxation Coatings for Vapor Cells
PendingUS20260100716A1Pulse automatic controlApparatus using atomic clocksEngineeringMaterials science
In a general aspect, antirelaxation coatings are disclosed for coating the interior surfaces of vapor cells. In certain aspects, a vapor cell includes a dielectric body having interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The vapor cell also includes an antirelaxation coating that is disposed on the interior surface of the dielectric body and includes an organosilane material. The vapor cell additionally includes a vapor or a source of vapor residing in the cavity as well as an optical window that covers the opening to the cavity. The optical window has a surface bonded to the exterior surface of the dielectric body to form a seal around the opening. The vapor or the source of vapor includes alkali metal atoms.
Owner:QUANTUM VALLEY IDEAS LAB
Packaging front plate and preparation method thereof, and photovoltaic module
PendingCN121772414ASemi-permeable membranesVolume/mass flow by thermal effectsNano structuringEngineering
The invention provides a packaging front plate, a preparation method thereof and a photovoltaic module. The packaging front plate comprises a body which is of a transparent structure; the radiation cooling layer is arranged on the surface of one side of the body, the radiation cooling layer has light transmittance, and the face, away from the body, of the radiation cooling layer is provided with a lotus leaf surface imitating micro-nano structure. The radiation cooling layer can radiate heat to the external space, so that the working temperature of the photovoltaic module is effectively reduced, the photoelectric conversion efficiency can be improved, the photovoltaic module can be prevented from running at a high temperature, and the service life of the photovoltaic module can be prolonged; furthermore, a micro-nano structure imitating the lotus leaf surface is designed on the radiation cooling layer, attachment of water drops or dirt on the surface of the radiation cooling layer can be reduced, and therefore the surface of the radiation cooling layer is kept clean and dry, the problem that the power generation efficiency is reduced due to pollution can be avoided, the cleaning frequency can be reduced, and the power generation efficiency is improved. And therefore, the maintenance cost can be reduced.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD
A microfluidic device to dispense a metabolic indicator
In accordance with the present disclosure, an example non-transitory computer readable medium may store instructions that when executed cause a computing device to dispense, using a first fluid ejector of a microfluidic device, a biologic sample to a region of a substrate, dispense, using a second fluid ejector of the microfluidic device, a reagent to the region of the substrate, and dispense, using a third fluid ejector of the microfluidic device, a metabolic indicator to the region of the substrate, wherein the metabolic indicator provides a visual indication in response to reaction with the biologic sample.
Owner:HEWLETT PACKARD DEVELOPMENT COMPANY LP
Film forming apparatus and film forming method
Owner:ビージーアイ ハンチョウ サイクロンエスイーキュー テクノロジー カンパニー リミテッド
Sample liquid concentration device, sample liquid analysis auxiliary device, method for producing same, and sample liquid concentration method
PCT designated stageWO2025258353A1Volume/mass flow by thermal effectsFixed microstructural devicesMaterials scienceElectric field
In order to increase the efficiency with which an analysis using an enhanced electric field based on a microstructure is made, an embodiment of the present disclosure provides a plate-shaped sample liquid concentration device (10) that is to be used being placed over a microstructure substrate which has disposed on the surface thereof a microstructure capable of generating an enhanced electric field with respect to incident light. The sample liquid concentration device includes a first surface and a second surface that defines a thickness together with the first surface, and has formed therein a plurality of passage parts connecting the first surface and the second surface. The passage parts each have a first opening and a second opening formed respectively in the first surface and the second surface and are each defined by an inner surface connecting the first opening and the second opening. With the first surface disposed in proximity to the surface of the microstructure substrate, the first opening can be positioned corresponding to the position of the microstructure. The second opening can receive a sample liquid that contains a detection target object.
Owner:RIKEN CO LTD
Microfluidic valve
PendingUS20250170576A1Valve arrangementsVolume/mass flow by thermal effectsAdhesive beltMechanical engineering
A microfluidic valve comprising an adhesive tape, an outlet disposed at one end of a first microfluidic channel, an inlet disposed at one end of a second microfluidic channel, wherein the inlet and the outlet are disposed in a proximity to each other, wherein the adhesive tape covers both the outlet and the inlet. A method of operating the microfluidic valve is also disclosed.
Owner:EMERGING VIRAL DIAGNOSTICS HK LTD
Mixing device for microchannel and microchannel device
Owner:TOYOHASHI UNIVERSITY OF TECHNOLOGY
A microfluidic biointerconnected neural network chip and its preparation method
ActiveCN118222398BVolume/mass flow by thermal effectsFixed microstructural devicesPhotoresistNeural network nn
The present invention discloses a microfluidic bio-interconnected neural network chip and a preparation method thereof. The chip consists of a microelectrode array, a microfluidic structure, and a cell culture ring structure. The microelectrode array can detect and stimulate the activity of neurons; the microfluidic structure limits the growth direction of axons between cell culture partitions by setting cell culture partitions, microfluidic channel dimensions, microfluidic channel shapes, and fillet distribution, thereby achieving controllable low-power transmission of neuronal electrical information; the cell culture ring structure provides nutrients for cells in the cell culture chamber. The present invention provides a method for manufacturing a microfluidic bio-interconnected neural network chip, using fully exposed positive photoresist as a sacrificial layer for microfluidic structure peeling, thereby solving the problem of difficult demolding of thin-film microfluidic structures. The chip can be used to explore the response characteristics of neuronal networks to external stimuli, study the internal information transmission mode of neuronal networks, and other fields.
Owner:AEROSPACE INFORMATION RES INST CAS
Semiconductor element and method for manufacturing this
ActiveDE102015203393B4Television system detailsFixed microstructural devicesMems sensorsCondensed matter physics
Procedure (100; 300), comprising: Providing (110) a machined substrate arrangement (10; 70) comprising a machined semiconductor substrate (12) and a metallization layer structure (14) on a major surface (16) of the machined semiconductor substrate (12), and Release etching (120) from an area of the metallization layer structure (14) towards the processed semiconductor substrate (12) to create a cut (22) in the metallization layer structure (14) at a separation region (25) in the processed semiconductor substrate (12), wherein the separation region (25) defines a boundary between a die region (27; 34a-b) of the processed substrate arrangement (10; 70) and at least a second region of the processed substrate arrangement (10; 70); where the release etching (120) further includes: Exposure of a MEMS functional element (18) arranged on the machined semiconductor substrate (12), wherein the MEMS functional element is a MEMS sensor and / or comprises a silicon material.
Owner:INFINEON TECHNOLOGIES AG
Forming Antirelaxation Coatings on Interior Surfaces of Vapor Cells
PendingUS20260099125A1Apparatus using atomic clocksVolume/mass flow by thermal effectsAlkali metalDielectric body
In a general aspect, methods for manufacturing vapor cells are disclosed. In certain aspects, a method of manufacturing a vapor cell includes obtaining a dielectric body that has interior and exterior surfaces. The interior surface defines a cavity in the dielectric body, and the exterior surface defines an opening to the cavity. The method includes forming an antirelaxation coating on the interior surface of the dielectric body. The antirelaxation coating comprising an organosilane material. The method additionally includes disposing a vapor or a source of vapor in the cavity and obtaining an optical window that comprises a surface. The vapor or the source of vapor includes alkali metal atoms. The method also includes bonding the surface of the optical window to the exterior surface of the dielectric body to form a seal around the opening to the cavity.
Owner:QUANTUM VALLEY IDEAS LAB
Microfluidic chip and method for manufacturing a microfluidic chip
To provide a micro flow channel chip capable of removing air bubbles generated inside a micro flow channel, while preventing elution of an adhesive component into the flow channel to suppress a reaction inhibition of a solution inside the flow channel, and also to provide a manufacturing method thereof.SOLUTION: A micro flow channel chip 1 includes: a substrate 10; a partition layer 11 forming a flow channel on the substrate 10; and a top cover layer 12 formed on a surface at a side opposite to the substrate 10 of the partition layer 11 and configured to be served as a lid of a flow channel part 3. The top cover layer 12 includes an air bubble removal part 7 being part of the top cover layer 12 and configured to remove air bubbles generated in the flow channel part 3. No adhesive layer is formed between the partition layer 11 and the top cover layer 12.SELECTED DRAWING: Figure 1
Owner:TOPPAN HOLDINGS INC
Fluid element, package, drug delivery device, biomolecular testing device, and method for forming a fluid channel.
PendingJP2026516548ASemi-permeable membranesVolume/mass flow by thermal effectsPharmacy medicinePharmaceutical drug
Owner:OKINAWA INST OF SCI & TECH SCHOOL
Microfluidic device and preparation method therefor, and microfluidic system
A microfluidic device and a preparation method therefor, and a microfluidic system. The preparation method comprises: S1, providing a mold having a groove; S2, injecting a liquid metal into the groove, and solidifying the liquid metal to obtain a solid metal; S3, separating the solid metal from the mold, and providing an electrode on the solid metal; S4, forming a coating layer on a surface of the solid metal having the electrode, so that the solid metal is wrapped in the coating layer, and the electrode at least partially protruding out of the coating layer, so as to obtain a prefabricated device; and S5, placing the prefabricated device in a substrate, melting the solid metal and making the electrode at least partially protrude out of the substrate, so as to obtain a microfluidic device (a). The preparation method is simple, the packaging has good performance, the device is highly integrated and is easy for industrialization, the microfluidic device obtained by means of this preparation method is good in molding, excellent in performance, can be widely used, and can be integrated with a power supply, a signal transmitter and a signal receiver to form a microfluidic system.
Owner:INST OF FLEXIBLE ELECTRONICS TECH OF THU ZHEJIANG +1
Microchip for analyzing liquid sample
A microchip for liquid sample analysis having a flow path and a liquid reservoir therein, comprising: a substrate having a bonding surface provided with a groove forming the flow path, a depression provided in a part of the groove and serving as a liquid reservoir storing a liquid, and a wall part provided between the groove and the depression to block the outflow of the liquid from the liquid reservoir to the flow path; and a film bonded to the bonding surface of the substrate, covering the groove to form the flow path and the liquid reservoir, wherein among the bonded areas of the substrate and the film, the bonded portion between an end face of the wall part of the substrate and the film has a first bonding strength such that it peels off upon application of pressure of 30 kPa or more and less than 100 kPa, and the other bonded areas have a bonding strength stronger than the first bonding strength.
Owner:ZACROS CORP
New multi-functional fluidic device for clamping biopsies
ActiveJP2025074088ASemi-permeable membranesVolume/mass flow by thermal effectsBiopsy procedureTissue sample
To provide improved devices for use as tissue sample carrier in biopsy procedures in general.SOLUTION: A fluidic device 1 comprises a flow chamber 2 for accommodating a biological specimen on a carrier portion 3, and at least one flow channel 4a, 4b, 4c, 4d fluidly connected to the flow chamber 2. The fluidic device 1 has a layered structure comprising a bottom plate 5, a cover plate 6 and an insert 7 therebetween. The insert 7 comprises the carrier portion 3, and a frame portion surrounding the carrier portion 3, and is elastomeric to enable a biological specimen to be clamped inside an incision in the carrier portion 3.SELECTED DRAWING: Figure 1
Owner:KONINKLIJKE PHILIPS NV
Flexible Microelectrode Arrays
PendingUS20250213160A1Volume/mass flow by thermal effectsFixed microstructural devicesContact padCarbon nanotube
The problems of high costs and lack of flexibility in microelectrode arrays (MEAs) is addressed by the inexpensive flexible MEA systems and methods for manufacturing them presented herein. The MEA systems described herein are generally formed from a flexible substrate such as polydimethylsiloxane (PDMS). The flexible substrate generally comprises a series of wells and channels patterned therein. The wells and channels are filled with a conductive flexible material such as a mixture of PDMS and carbon nanotubes (CNTs) to form sets of microelectrodes, microelectrode leads, and contact pads therein. The resulting MEA systems may be substantially more flexible and less expensive than prior MEA systems. The MEA systems presented herein may be manufactured using a variety of soft lithography techniques described herein.
Owner:NIKON CORP
Structural body
PCT designated stage expiredWO2025141772A1Semi-permeable membranesVolume/mass flow by thermal effectsElectrical conductorSelf assemble
A structural body (100) according to the present invention has a structure capable of self assembly, said structural body comprising: a substrate (101); a sacrificial layer which is formed on one main surface of the substrate; and a laminate (103) which is formed on the sacrificial layer and which is obtained by laminating a conductor layer and a dielectric layer, wherein an outer peripheral part of the laminate (103) has a bending region (R1) that bends along with self assembly and a non-bending region (R2) that does not bend, and the laminate (103) has a plurality of through holes (106) that are arranged along the non-bending region (R2) of the outer peripheral part and that pass therethrough in the lamination direction.
Owner:NT T INC
A Gallium Nitride Microwire Array Photodetector and Its Preparation Method
ActiveCN110707218BSemi-permeable membranesVolume/mass flow by thermal effectsHeterojunctionGallium nitride
The present invention discloses a gallium nitride micro-wire array photodetector and a preparation method thereof. The photodetector includes: a silicon substrate, a methylammonium lead iodide layer, and an electrode; a plurality of grooves arranged in parallel are formed on the upper surface of the silicon substrate; an insulating layer covers the surface of the protruding portion on the upper surface of the silicon substrate; gallium nitride micro-wires are epitaxially grown on the two inner sidewalls of the grooves respectively, the extending direction of the gallium nitride micro-wires is the same as the extending direction of the grooves, and the gallium nitride micro-wires form a parallel micro-wire array; the electrode is disposed on the upper surface of the silicon substrate, and the methylammonium lead iodide layer is coated on the upper surface of the silicon substrate to cover the electrode and the gallium nitride micro-wires so as to form a double heterojunction. The photodetector has low dark current, fast response speed, high on / off current ratio, and long detection range, with good comprehensive performance, and the device structure is simple and easy to manufacture.
Owner:SOUTH CHINA NORMAL UNIV
Method for forming a bore for a cavern arranged within a semiconductor layer stack
PendingDE102023210570A1Volume/mass flow by thermal effectsFixed microstructural devicesErbium lasersMechanical engineering
The invention relates to a method for forming a bore (38) for a cavern (22) arranged within a semiconductor layer stack (10) by forming a first partial bore (24) by means of a first laser ablation step started on an outer surface (26) of the semiconductor layer stack (10) such that the first partial bore (24) extends from the outer surface (26) with a first central extension (d1) oriented parallel to the outer surface (26) and is formed with a bottom surface (24a) of the first partial bore (24) located between the outer surface (26) and the cavern (22) and forming a second partial bore (36) by means of a second laser ablation step started from the bottom surface (24a) of the first partial bore (24) such thatthat the second partial bore (36) extends through the bottom surface (24a) into the cavern (22) or into an access channel opening into the cavern (22) or connected to the cavern (22) via a connecting channel, with a second mean extent (d2) oriented parallel to the outer surface (26) and smaller than the first mean extent (d1).
Owner:ROBERT BOSCH GMBH
Microfluidic chip
To provide a micro flow channel chip which causes less air bubbles and has less residual air bubbles during liquid feeding to a flow channel groove and storage after the liquid feeding.SOLUTION: A micro flow channel chip comprises: a resin substrate having a flow channel groove formed in at least one surface; and a resin film having a base material layer and an adhesive layer, and joined to the resin substrate via the adhesive layer so as to cover the flow channel groove. When a thickness of the base material layer of the resin film is represented by X(μm) and a thickness of the adhesive layer is represented by Y(μm), X and Y satisfy all of relational expression (1): Y≥0.4X-25, relational expression (2): 50≥Y≥3 and relational expression (3): X≥40.SELECTED DRAWING: Figure 1
Owner:SUMITOMO BAKELITE CO LTD
Isotachophoresis for purification of nucleic acids
ActiveUS12428635B2Volume/mass flow by thermal effectsFixed microstructural devicesMultiplexIsotachophoresis
The present disclosure relates to fluidic systems and devices for processing, extracting, or purifying one or more analytes. These systems and devices can be used for processing samples and extracting nucleic acids, for example by isotachophoresis. In particular, the systems and related methods can allow for extraction of nucleic acids, including non-crosslinked nucleic acids, from samples such as tissue or cells. The systems and devices can also be used for multiplex parallel sample processing.
Owner:PURIGEN BIOSYSTEMS INC